{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "PURPOSE : To investigate the concentration - side effect relationship in a patient with severe acyclovir - induced neurotoxicity and to summarize the information available in the literature about central nervous system side effects due to acyclovir ."}
{"adverse effect": [{"subject": "neurotoxicity", "object": "acyclovir"}, {"subject": "central nervous system side effects", "object": "acyclovir"}]}